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Lunate

-A Social welfare club
- Health Information We are a voluntary organization of social welfare,mainly work for helpless peoples..

We just wanna dare to reach out our hands into the darkness to pull them into the light ...We wanna solve their problems,lessen their burdens,wipe out their tears,bring back their smiles and everything else we can do according to our capability.. May be we can do no great things,but only small things with great love.. We believe Thousands OF Candles Can Be Lighted From A Single Candle And The Lif

e Of The Candle Will Not Be Shortened.. Stretch your hand
to help or for a help...

20/03/2026

✨ Eid Mubarak!
On this special occasion wishes you joy, prosperity, and a life full of blessings.
Stay safe, stay healthy! 🌙

02/03/2026

Day 27 of 100 Vital Drugs: Doxycycline

Doxycycline is a broad spectrum tetracycline antibiotic.

Mechanism of action:

~ It inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit.
~ It is bacteriostatic.

Antimicrobial spectrum:

* Gram positive bacteria
* Gram negative bacteria
* Atypical organisms
* Chlamydia
* Mycoplasma
* Rickettsia
* Spirochetes

Common indications:

* Acne vulgaris and rosacea
* Community acquired pneumonia
* Sexually transmitted infections especially chlamydia
* Zoonotic and tick borne infections
* Brucellosis in combination therapy
* Malaria prophylaxis

Adult dosing:

~ 100 mg once or twice daily depending on indication
~ 200 mg loading dose may be used on day one

Pharmacokinetics:

* Well absorbed orally
* Long half life
* Safe in renal impairment
* Mainly eliminated via f***s

Adverse effects:

! Gastrointestinal irritation
! Nausea and vomiting
! Photosensitivity
! Esophagitis and esophageal ulceration
! Rare hepatotoxicity

Contraindications:

! Pregnancy
! Breastfeeding
! Children under 8 years

Key points:

* Take with a full glass of water
* Do not lie down for at least 30 minutes after taking
* Avoid excessive sunlight and use sunscreen
* Do not take with milk antacids iron or calcium at the same time

Drug interactions:

! Antacids
! Iron preparations
! Calcium supplements
! Reduced efficacy with enzyme inducing drugs

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28/02/2026

Day 26 of 100 Vital Drugs: Cefuroxime

What is Cefuroxime:

Cefuroxime is a second-generation cephalosporin antibiotic used to treat a variety of bacterial infections.
It works by interfering with the formation of the bacteria’s cell wall, causing the bacteria to die.

Dose:

Depends on infection type; typical adult dose is 250–500 mg orally every 12 hours or 750 mg–1.5 g IV/IM daily in divided doses.

Dosage Form:

* Tablets
* Oral suspension
* IV injection,
* IM injection.

Mechanism of Action (MOA):

Inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins.

Use:

*Respiratory tract infections
* Urinary tract infections
* Skin infections
* Lyme disease, and more.

Drug–Drug Interactions:

May interact with anticoagulants, other antibiotics, and live bacterial vaccines.

Drug–Food Interactions:

Can be taken with or without food; food may reduce stomach upset.

Side Effects/Adverse Effects:

! Diarrhea
! Nausea
! Vomiting
! Rash
! Allergic reactions,
! Rare blood disorders.

Precaution:

! Use with caution in patients with penicillin allergy or kidney impairment.

Clinical Tip:

* Adjust dose in renal impairment.
* Monitor for signs of superinfection with prolonged use.

Unique Character:

Broad-spectrum activity among cephalosporins; effective against both Gram-positive and some Gram-negative bacteria.

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10/02/2026

Day 25 of 100 Vital Drugs: Ceftriaxone

What is Ceftriaxone:

* Ceftriaxone is a third-generation cephalosporin antibiotic that kills bacteria by inhibiting their cell wall synthesis. It is effective against a wide range of Gram-positive and Gram-negative bacteria.
Brand Names: Rocephin, Cefaxon, Triacef

Dosage Forms:Injection 250 mg, 500 mg, 1 g, 2 g

Mechanism of Action:

* Binds to penicillin-binding proteins, preventing bacterial cell wall formation.

Uses:

* Severe infections: pneumonia, meningitis, sepsis
* Urinary tract infections
* Gonorrhea
* Surgical prophylaxis

Adult Dosage:

*1–2 g IV or IM once daily or every 12 hours depending on infection severity
* Adjust in severe renal or hepatic impairment

Drug Interactions:

! Calcium-containing IV solutions: may form precipitate
! Warfarin: may increase anticoagulant effect
! Live bacterial vaccines: effectiveness may be reduced

Food Interactions:

No significant interactions

Side Effects / Adverse Effects:

! Gastrointestinal: diarrhea, nausea, vomiting
! Skin: rash, urticaria
! Rare: biliary sludge, hemolytic anemia, thrombocytopenia

Precautions:

! Allergy to penicillin or cephalosporins
! Severe renal or hepatic impairment
! Pregnancy: generally safe (Category B)

Clinical Tip:

~ Once-daily dosing is possible due to long half-life
~ Avoid mixing with calcium IV solutions

Unique Features:

~ Long half-life for convenient dosing
~ Good CNS pe*******on for treating meningitis

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08/02/2026

Basic Knowledge Every UAE Pharmacist Must Have 🇦🇪

As a pharmacist practicing or aspiring to work in the UAE, having strong fundamentals is essential—not just for exams, but for daily patient care.

🔹 Understanding UAE regulations (MOHAP / DHA / DOH)
🔹 Proper prescription screening & dispensing ethics
🔹 Clear distinction between OTC and prescription medicines
🔹 Responsible antibiotic dispensing & patient counseling
🔹 Knowledge of common chronic diseases (Diabetes, HTN, Asthma)
🔹 Cold chain management & drug storage standards
🔹 Patient safety, confidentiality, and professional ethics

Pharmacy is not just about medicines—it’s about trust, responsibility, and patient-centered care.

06/02/2026

Antidotes are life-saving medicines used in cases of poisoning and drug overdose.
In emergency situations, knowing the correct antidote can prevent serious organ damage and save a patient’s life.

This chart shows some of the most commonly used and clinically important antidotes like:

N-Acetylcysteine for paracetamol poisoning

Naloxone for opioid overdose

Atropine + Pralidoxime for organophosphate poisoning

Vitamin K for warfarin overdose

Protamine sulfate for heparin overdose

⚠️ Always remember: Airway, Breathing, and Circulation (ABC) come first. Antidote therapy is always given along with supportive care.

05/02/2026

Day 24 of 100 Vital Drugs: Metronidazole

Class: Nitroimidazole antimicrobial

Spectrum:

* Anaerobic bacteria
* Protozoa
* No aerobic coverage

Mechanism of action:

* Intracellular reduction forms free radicals that damage DNA

Key indications:

* Anaerobic intraabdominal and pelvic infections
* Clostridioides difficile infection
* Bacterial vaginosis
* Trichomoniasis
* Giardiasis
* Amebiasis
* H. pylori combination therapy

Usual dosage forms:

* Oral tablet or capsule
* IV injection
* Oral suspension
* Topical and vaginal preparations

Common adverse effects:

! Metallic taste
! Nausea
! Vomiting
! Abdominal pain
! Headache

Serious adverse effects:

! Peripheral neuropathy with prolonged use
! Seizures rare
! Encephalopathy very rare

Drug interactions:

! Alcohol causes disulfiram like reaction
! Warfarin increases INR
! Lithium levels may increase
! Cimetidine increases metronidazole levels

Contraindications:

! First trimester of pregnancy for some indications
! Concurrent alcohol use

Precautions:

! Hepatic impairment dose adjustment
! Avoid long term use unless necessary

Clinical pearl:

* Best first line for anaerobic infections below the diaphragm and protozoal GI infections.

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03/02/2026

Day 23 of 100 Vital Drugs: Erythromycin

What is erythromycin?

Erythromycin is a macrolide antibiotic used to treat bacterial infections.
It is mainly used as an alternative in patients with penicillin allergy.

Class: Macrolide antibiotic

Mechanism of action:

* Binds to the 50S ribosomal subunit.
* Inhibits bacterial protein synthesis.
* Primarily bacteriostatic.

Spectrum and uses:

* Upper and lower respiratory tract infections
* Skin and soft tissue infections
* Atypical infections such as Mycoplasma, Chlamydia, Legionella
* Pertussis and diphtheria
* Prokinetic agent in gastroparesis at low dose

Dosage forms:

* Tablet
* Capsule
* Oral suspension
* Intravenous
* Topical ophthalmic and dermatologic

Common adverse effects:

! Nausea
! Vomiting
! Abdominal pain
! Diarrhea

Serious adverse effects:

! QT prolongation
! Torsades de pointes
! Cholestatic hepatitis

Drug drug interactions:

! Potent CYP3A4 inhibitor
! Increases levels of warfarin, theophylline, carbamazepine, statins
! Avoid combination with QT prolonging drugs

Drug food interaction:

! Food reduces absorption of base and stearate forms

Contraindications and precautions

! History of QT prolongation
! Severe liver disease
! Caution in cardiac patients

Clinical tip:

~Administer on empty stomach for optimal absorption.
~Avoid erythromycin estolate in pregnancy.

Unique characteristic:

~ Acts as a motilin receptor agonist.
~ Used off label for gastroparesis.

Quick thought:
In which clinical case do you still prefer erythromycin today?

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02/02/2026

Day 22 of 100 Vital Drug: Azithromycin

Drug class: Macrolide antibiotic

Dosage forms:

* Tablet
* Capsule
* Oral suspension
* IV

Mechanism of action:

* Binds to 50S ribosomal subunit and inhibits bacterial protein synthesis

Indications:

* Upper and lower respiratory tract infections
* Community acquired pneumonia
* Skin and soft tissue infections
* Chlamydia and other STIs
* Atypical infections including Mycoplasma and Chlamydophila

Adult dosing:

* 500 mg on day one then 250 mg once daily on days two to five
* Alternative single dose regimens used for STIs

Drug drug interactions:

! QT prolonging drugs increase arrhythmia risk
! Warfarin increases bleeding risk
! Antacids reduce peak concentration

Drug food interaction:

* Food slightly delays absorption without clinical impact

Adverse effects:

! GI upset
! Diarrhea
! QT prolongation
! Transient elevation of liver enzymes

Precautions:

! Cardiac disease
! Electrolyte imbalance
! Severe hepatic impairment

Clinical tip:

~Preferred in penicillin allergy for respiratory infections

Unique feature:

~Long tissue half life allows short course therapy

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01/02/2026

Day 21 of 100 Vital Drugs: Gentamicin

Dose:

* Adults: 3–5 mg/kg/day IV/IM, either in divided doses every 8 hours or once-daily (5–7 mg/kg/day)
* Adjust in renal impairment

Dosage Form:

* Injectable (IV, IM)
* Ophthalmic drops/ointment
* Topical cream

Mechanism of Action (MOA):

* Aminoglycoside antibiotic
* Binds 30S ribosomal subunit → inhibits protein synthesis → bactericidal

Use:

* Severe Gram-negative infections (Pseudomonas, E. coli, Klebsiella)
* Sepsis, endocarditis (with other antibiotics)
* Topical/ophthalmic infections

Drug-Drug Interaction:

! ↑ Nephrotoxicity or ototoxicity with vancomycin, amphotericin B, cisplatin, loop diuretics
! May antagonize bacteriostatic antibiotics (tetracyclines, chloramphenicol)

Drug-Food Interaction:

No significant interactions

Side Effects / Adverse Effects:

! Nephrotoxicity (monitor BUN, creatinine)
! Ototoxicity (tinnitus, hearing loss)
! Neuromuscular blockade (rare)
! Hypersensitivity reactions

Precaution:

* Monitor renal function and drug levels (peak & trough)
* Avoid in pre-existing hearing impairment
* Use caution in elderly, neonates, and renal impairment

Clinical Tip:

* Once-daily dosing reduces nephrotoxicity
* Ensure proper hydration
* Monitor trough levels for prolonged therapy

Unique Character:

* Highly effective against Gram-negative bacteria
* Not orally absorbed; must be given parenterally
* Narrow therapeutic index → careful monitoring required

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31/01/2026

Day 20 of 100 Vital Drugs:Vancomycin

Class: Glycopeptide antibiotic

Mechanism of action:

* Inhibits bacterial cell wall synthesis by binding to D ALA D ALA terminus.

Spectrum:

* Gram positive bacteria only.
* MRSA.
* Penicillin resistant Streptococcus.
* Enterococcus.
* Clostridioides difficile oral use.

Indications:

* Serious MRSA infections.
* Bacteremia and endocarditis.
* Pneumonia.
* Skin and soft tissue infections.
* C difficile colitis oral.

Dosage forms:

* IV injection powder.
* Oral capsule.
* Oral solution.

Adult dose:

* IV 15 to 20 mg per kg every 8 to 12 hours.
* Oral C difficile 125 mg every 6 hours.

Drug drug interactions:

! Aminoglycosides increase nephrotoxicity.
! Amphotericin B increases nephrotoxicity.
! Loop diuretics increase ototoxicity.
! Cyclosporine and tacrolimus increase nephrotoxicity.
! Piperacillin tazobactam increases AKI risk.

Drug food interactions:

* No clinically significant interactions.

Adverse effects:

! Nephrotoxicity.
! Ototoxicity.
! Red man syndrome.
! Neutropenia rare.

Monitoring:

~ Trough levels.
~ Renal function.

Clinical pearls:

~ Infuse slowly.
~ Adjust dose in renal impairment.
~ Oral form is not systemically absorbed.

Unique point

* First line drug for MRSA and severe C difficile infection.

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30/01/2026

Day 19 of 100 Vital Drugs: Levofloxacin

Class: Fluoroquinolone antibiotic

Mechanism of action:

* Inhibits DNA gyrase and topoisomerase IV. Bactericidal.

Spectrum:

* Gram positive including Streptococcus pneumoniae
* Gram negative including Enterobacteriaceae
* Atypicals
* Limited Pseudomonas activity

Indications:

* Community acquired pneumonia
* Acute bacterial sinusitis
* Acute exacerbation of chronic bronchitis
* Complicated and uncomplicated UTI
* Pyelonephritis
* Skin and soft tissue infections

Dosage forms:

~ Oral tablet
~ Oral solution
~ IV infusion

Key adverse effects:

QT prolongation
Tendinitis and tendon rupture
Peripheral neuropathy
CNS effects
Hypo or hyperglycemia
Clostridioides difficile infection

Drug drug interactions:

! Antacids iron zinc sucralfate reduce absorption
! QT prolonging agents increase arrhythmia risk
! Warfarin increases INR
! Antidiabetics increase dysglycemia risk

Drug food interaction:

! Dairy products and calcium reduce absorption

Precautions:

! Avoid in pregnancy and pediatrics unless benefit outweighs risk
! Dose adjustment in renal impairment
! Higher tendon risk in elderly and steroid use
! Aortic aneurysm risk in susceptible patients

Clinical tip:

* Prefer narrower spectrum agents when effective. Reserve levofloxacin for indicated cases.

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